19224146 has 8 divisors (see below), whose sum is σ = 28862460. Its totient is φ = 9603328.

The previous prime is 19224133. The next prime is 19224167. The reversal of 19224146 is 64142291.

It can be written as a sum of positive squares in 2 ways, for example, as 19140625 + 83521 = 4375^2 + 289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151 + ... + 6306.

Almost surely, 2^19224146 is an apocalyptic number.

19224146 is a deficient number, since it is larger than the sum of its proper divisors (9638314).

19224146 is a wasteful number, since it uses less digits than its factorization.

19224146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8748.

The product of its digits is 3456, while the sum is 29.

The square root of 19224146 is about 4384.5348670070. The cubic root of 19224146 is about 267.8853838990.

The spelling of 19224146 in words is "nineteen million, two hundred twenty-four thousand, one hundred forty-six".